Russian stocks tumble as West imposes sanctions

Moscow’s Micex index plummets over 3% as the US and EU slap sanctions on some of Vladimir Putin’s inner circle. Meanwhile, Visa and Mastercard cut off services to clients of Rossiya Bank, also targeted by sanctions.

Also, money slips through the cracks as Mt. Gox finds nearly a quarter of its missing bitcoins in a "forgotten digital wallet". Plus, what price would you pay for privacy? Growing demand for a $3,500 cryptophone leaves the US firm behind the smartphone struggling to fill orders.